ColostomyColon, SigmoidSigmoid DiseasesSigmoid NeoplasmsIntestinal VolvulusDiverticulitis, ColonicColonic DiseasesIleostomyIntestinal ObstructionDiverticulum, ColonSurgical StomasRectumIntestinal PerforationColon, DescendingRectal DiseasesColectomyRectovaginal FistulaColonAnastomosis, SurgicalFournier GangreneGangrene